TR3339 is your best bet. It will arrive in Cambridge at 07:35.
Okay. Could you also help me with a a place to stay. I am looking for a guesthouse with 3 stars.
hotel-stars hotel-type train-arriveby train-day train-departure train-destination
hotel-stars hotel-type train-arriveby train-day train-departure train-destination
hotel-stars hotel-type train-arriveby train-day train-departure train-destination
hotel-stars hotel-type train-arriveby train-day train-departure train-destination